mirror of
https://github.com/emilybache/GildedRose-Refactoring-Kata.git
synced 2026-02-04 17:21:38 +00:00
78 lines
2.2 KiB
Python
Executable File
78 lines
2.2 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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class GildedRose(object):
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def __init__(self, items):
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self.items = items
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def update_quality(self):
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for item in self.items:
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# Legendary item: no change
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if item.name == "Sulfuras, Hand of Ragnaros":
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continue
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# STEP 1 — Update quality before sell-in
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if item.name == "Aged Brie":
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self._increase_quality(item)
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elif item.name == "Backstage passes to a TAFKAL80ETC concert":
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self._update_backstage(item)
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elif "Conjured" in item.name:
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# Conjured before expiry = -2
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self._decrease_quality(item)
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self._decrease_quality(item)
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else:
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self._decrease_quality(item)
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# STEP 2 — decrease sell_in
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item.sell_in -= 1
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# STEP 3 — Handle expired items
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if item.sell_in < 0:
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if item.name == "Aged Brie":
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self._increase_quality(item)
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elif item.name == "Backstage passes to a TAFKAL80ETC concert":
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item.quality = 0
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elif "Conjured" in item.name:
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# Conjured after expiry = -4 total
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self._decrease_quality(item)
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self._decrease_quality(item)
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else:
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# Normal items degrade -2 after expiry
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self._decrease_quality(item)
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# --------------------------
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# Helper methods
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# --------------------------
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def _increase_quality(self, item):
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if item.quality < 50:
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item.quality += 1
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def _decrease_quality(self, item):
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if item.quality > 0:
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item.quality -= 1
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def _update_backstage(self, item):
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self._increase_quality(item)
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if item.sell_in < 11:
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self._increase_quality(item)
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if item.sell_in < 6:
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self._increase_quality(item)
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class Item:
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def __init__(self, name, sell_in, quality):
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self.name = name
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self.sell_in = sell_in
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self.quality = quality
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def __repr__(self):
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return "%s, %s, %s" % (self.name, self.sell_in, self.quality)
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